航海英语航海图书资料章节练习(2019.05.09)

单项选择题
Owing to old data of the survey the positions and number of the beacons shown on this chart are not to be （）.
A.considered
B.insured
C.relied upon
D.suspected
单项选择题
Charted depths（）by 2 meters due to state of the winds．
A.is decreased
B.decreased
C.decreases
D.are decreased
单项选择题
A list signal of one white light indicates that the vessel is （）.
A.on an even keel
B.listing about 1° to the side the light is displayed on
C.listing over 5° With the light displayed on the high side
D.listing，and the chutes should be directed to the side where the light is displayed
单项选择题
That the scale of any part of a chart to be larger than the scale of the survey is（）.
A.very rare
B.common
C.often
D.reasonable
单项选择题
Magnetic information on a chart may be （）.
A.found in the center(s) of the compass rose(s)
B.indicated by isogonic lines
C.found in a note on the chart
D.All of the above
单项选择题
During a period of whiteout，you should expect which of the following（）.
A.Snowfall or blowing snow
B.Lack of ability to estimate distance
C.Harsh contrast between sun-illuminated snow cover and the background
D.Hazy horizons with extensive mirage effects
单项选择题
At last，the palm trees that fringe the natural harbor of Port Aloahoa come into view on the horizon lit by the setting sun.The meaning of this sentence is that （）.
A.a vessel arrives at a port in a evening
B.a vessel leaves a port in a evening
C.a vessel arrives at a port in a morning
D.a vessel leaves a port in a morning
单项选择题
Lines drawn through points on the Earth having the same atmospheric pressure are known as （）.
A.Isothermal
B.Millibars
C.Isobars
D.Seismics
单项选择题
A mooring line leading at nearly right angles to the keel is a （）.
A.spring line
B.bow line
C.stern line
D.breast line
单项选择题
A position obtained by applying ONLY your vessel’s course and speed to a known position is a （）.
A.fix
B.dead-reckoning position
C.running fix
D.probable position